Home / 1,180,821.80-1,771,451.40-382,129.40

Finding the Fourth Proportional to 1,180,821.80, 1,771,451.40 and 382,129.40

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Solution

The fourth proportional to 1,180,821.80, 1,771,451.40 and 382,129.40 is: 573,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,821.80 : 1,771,451.40 = 382,129.40 : x
  2. Step 2: Convert to fraction form
    1,180,821.80/1,771,451.40 = 382,129.40/x
  3. Step 3: Cross multiply
    1,180,821.80x = 1,771,451.40 × 382,129.40
  4. Step 4: Simplify right side
    1,180,821.80x = 676,923,660,611.16
  5. Step 5: Solve for x
    x = 676,923,660,611.16/1,180,821.80
  6. Step 6: Final answer
    x = 573,264.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.